Question

A user is instructed by a boss to find a better method to secure passwords in transit. The user has researched several means to do so and has settled on using HMAC. What are the key elements needed to implement HMAC?
A) Secret key and message digest
B) Symmetric key and asymmetric key
C) IPsec and checksum
D) Message digest and asymmetric key

Answer 1

Secret key and message digest are the key elements needed to implement HMAC

A) Secret key and message digest

Explanation:

This scenario comes in Cisco routers. When user is instructed by boss best method is secret key and message digest is used. Main key element is secret key and message digest.  

Secret key and message digest means it is process where data files are encrypted with random string bits which is generated while specifically to scramble and unscramble data.

Encrypted keys unique keys are generated and check every time user login. In case it matches it is consider us successful login. Otherwise it is consider as unsuccessful login.